DMSO 1110 FINAL EXAM 2026 QUESTIONS WITH ANSWERS GRADED A+ COMPLETE SOLUTIONS

DMSO 1110 FINAL EXAM 2026 QUESTIONS
WITH ANSWERS GRADED A+ COMPLETE
SOLUTIONS

●● Which type of attenuation is responsible for the grainy appearance of
organ tissue?
Answer: scattering


●● If the propagation speed of Medium 1 is less than the propagation
velocity of Medium 2, the transmitted sound beam angle at the interface
will:
Answer: refract away from normal incidence


●● Calipers are used when you want to
Answer: measure an anatomical feature


●● The positive half of a pressure wave corresponds to:
Answer: compression


●● refraction requires which of the following factors?
Answer: Media velocity (propagation speed) differences, oblique angle
of incidence.

, ●● If the propagation velocity of medium 1 is equal to the propagation
velocity of medium 2, the transmitted sound beam angle at the interface
will-
Answer: equal the incident beam angle


●● Which form of attenuation is due to the sound wave not continuing
on the path that the ultrasound unit thinks it's going?
Answer: Refraction


●● If the speed of a wave is decreased, what's the effect on the
wavelength?
Answer: Wavelength shortens


●● What changes when the sonographer changes function on an
ultrasound unit?
Answer: The touchscreen


●● Can a sonographer make adjustments to eliminate artifacts?
Answer: Yes!


●● What are the different types of transducers?
Answer: Cardiac (short probe), vascular( linear probe), general (black,
rounded probe)